Finite Element Analysis of Skirt to Dished junction in a Pressure Vessel
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 4
Abstract
Pressure vessels are probably one of the most widespread equipment within the different industrial sectors. In fact, there is no industrial plant without pressure vessels, steam boilers, tanks, autoclaves, collectors, heat exchangers, pipes, etc. The traditional method of proving a pressure vessel is to carry out mechanical design calculations in accordance with established codes .While so called design by rule approach is sufficient for majority of cases there are sometimes features of design which necessitates the use of design by analysis methods. Skirt to dished end junction in vertical pressure vessel is one of such critical junction which is often subjected to different loads. These loadings include internal pressure inside vessel, wind & seismic shear force and moments, operating weight of vessel& thermal stresses in the welds near the junction. This paper re-presents guidelines in structural analysis for skirt to dished end junction. Analysis is carried out in compliance with ASME Section VII Division 2. Finite elemental model of junction is prepared using UG-NX. It is then loaded in ansys 12.0 and results obtained are compared to code allowable.
Authors and Affiliations
Sagar P. Tiwatane
Keywords
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